Rubidium and potassium levels are altered in Alzheimer's disease brain and blood but not in cerebrospinal fluid. Alzforum, 18 Nov 2016 Roberts BR, Doecke JD, Rembach A, Yévenes LF, Fowler CJ, McLean CA, Lind M, Volitakis I, Masters CL, Bush AI, Hare DJ, AIBL…